The MEDIceuticals Therapeutic - Scalp & Hair Treatment Rinse is designed to help control flaking and scalp and uncomfortable itching. This hair treatment rinse is infused with Pyrithione Zinc, which is known to help with all sorts of scalp discomforts and additionally helps to promote a healthy scalp environment. The MEDIceuticals Therapeutic - Scalp & Hair Treatment Rinse is an excellent detangler and imparts incredible shine to each and every hair strand.